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Single Family ResidenceResidential
$490,932$290 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $555,000 on Oct 4, 2023

3357 21ST PL SW

LARGO, FL 33774
3
Beds
2
Baths
1,690 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$491K
$467K low$515K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$555,000 · Oct 4, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,853 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$466,263 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$108,712
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$357,551
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$455,809
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$466,263

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyPINELLAS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2004
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 200 ft²Patio · 200 ft²Porch · 244 ft²Outdoor kitchen

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Anona ElementaryA
Elementary · Grades PK–5 · 1.1 mi
H
Largo High SchoolB-
High · Grades 9–12 · 2.7 mi
M
Seminole Middle SchoolB+
Middle · Grades 6–8 · 3.1 mi

District: Pinellas County School District

Neighborhood · ZIP 33774These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.18,936
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,807 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,435
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,993
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3357 21st Pl Sw measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 90% of homes in South West Largo
  • Costs more per square foot than 75% of homes in Largo 33774
  • Bigger than 86% of homes in South West Largo
  • Has a smaller lot than 97% of homes in South West Largo
  • Older than 68% of homes in Largo 33774

What homes are worth in Largo 33774

Each bar is how many homes fall in that price range. The marker is this home.

This home
$115K$1.1M

This home is worth more than 77% of homes in Largo 33774.

How it measures up in Largo 33774

The dot is this home. The mark in the middle is the typical home in Largo 33774.

Estimated value$490,932
CheaperTypical $364,570Pricier

Pricier than 77% of homes nearby

Price per ft²$290
CheaperTypical $262Pricier

Pricier than 75% of homes nearby

Living area1,690 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.14 ac
SmallerTypical 0.22 acBigger

Bigger than 10% of homes nearby

Year built1971
OlderTypical 1973Newer

Newer than 32% of homes nearby

How 3357 21st Pl Sw ranks against every home in each area.
MeasureThis homeSouth West LargoLargo 33774Pinellas County
Estimated valuepricier than$490,93290% of homes77% of homes70% of homes
Price per ft²pricier than$29057% of homes75% of homes64% of homes
Living areabigger than1,690 ft²86% of homes74% of homes71% of homes
Lot sizebigger than0.14 ac3% of homes10% of homes16% of homes
Year builtnewer than197145% of homes32% of homes43% of homes

About 3357 21st Pl Sw

How much is 3357 21st Pl Sw, Largo, FL worth?

The TopHap Estimate for 3357 21st Pl Sw, Largo, FL is $490,932 as of Aug 30, 2026. The likely range is $466,565 to $515,299. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3357 21st Pl Sw, Largo, FL last sell?

3357 21st Pl Sw, Largo, FL last sold on Oct 4, 2023 for $555,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3357 21st Pl Sw, Largo, FL?

3357 21st Pl Sw, Largo, FL has 3 bedrooms, 2 bathrooms, 1,690 square feet of living space and a 0.14-acre lot.

When was 3357 21st Pl Sw, Largo, FL built?

3357 21st Pl Sw, Largo, FL was built in 1971, making it 55 years old. It is a custom design home. The building has 2 stories.

What schools serve 3357 21st Pl Sw, Largo, FL?

3357 21st Pl Sw, Largo, FL is assigned to Anona Elementary (elementary), rated A; Largo High School (high), rated B-; Seminole Middle School (middle), rated B+. All sit in Pinellas County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3357 21st Pl Sw, Largo, FL compare to other homes in Largo 33774?

Among the 8,540 homes in Largo 33774, it is worth more than 77% of them ($490,932 against a typical $364,570), its price per square foot is higher than 75% of them ($290 against a typical $262), it is bigger than 74% of them (1,690 ft² against a typical 1,274 ft²), its lot is bigger than 10% of them (0.14 ac against a typical 0.22 ac) and it is newer than 32% of them (1971 against a typical 1973). Measured against all of Pinellas County, it is worth more than 70% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3357 21st Pl Sw, Largo, FL?

The 2025 property tax bill for 3357 21st Pl Sw, Largo, FL was $8,853. The county assessed it at $466,263.

More homes on 21st Pl Sw

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Assigned schools

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